PowerShell Core for Linux Administrators Cookbook

Retaining object modifications across sessions

In the previous recipe, Understanding the extension of type data, we used the Update-TypeData cmdlet to add members. However, we said that the update was valid as long as the session was. Now, there are two ways by which we could make the type data stick across sessions:

• Using the PowerShell profile
• Using an XML file

The PowerShell profile is straightforward. However, usually, the type data extension and formatting rules are packaged as part of PowerShell modules, and adding code to the profile is not particularly helpful in that case. In this recipe, we will write a simple XML (.ps1xml) file that we will load so that we can extend the type data.